Dimensions and section properties for C3X6

Structural sectional properties for a C3X6 standard steel section

US Customary Units

Description	Symbol	Value
Shape Category / Designation	Type	C
Section Name	Name	C3X6
Cross Sectional Area	A	1.76 in²
Section Width	b	1.6 in
Section Depth	d	3 in
Flange thickness	tf	0.273 in
Web thickness	tw	0.356 in
Radius of Gyration about X-X	rx	1.09 in
Radius of Gyrations about Y-Y	ry	0.413 in
Moment of Inertia about X-X	Ix	2.07 in⁴
Moment of Intertia about Y-Y	Iy	0.3 in⁴
Elastic Section Modulus about X-X	Sx	1.38 in³
Elastic Section Modulus about Y-Y	Sy	0.263 in³
Plastic Section Modulus about X-X	Zx	1.74 in³
Plastic Section Modulus about Y-Y	Zy	0.543 in³
St. Venant Torsional Constant	J	0.0725 in⁴
Warping Torsion Constant	Cw	0.462 in⁶
Self Weight of section	Weight	6 lb/ft

Metric Units

Description	Symbol	Value
Shape Category / Designation	Type	C
Section Name	Name	C3X6
Cross Sectional Area	A	1135 mm²
Section Width	b	41 mm
Section Depth	d	76 mm
Flange thickness	tf	6.9 mm
Web thickness	tw	9 mm
Radius of Gyration about X-X	rx	28 mm
Radius of Gyrations about Y-Y	ry	10 mm
Moment of Inertia about X-X	Ix	1000000 mm⁴
Moment of Intertia about Y-Y	Iy	0 mm⁴
Elastic Section Modulus about X-X	Sx	23000 mm³
Elastic Section Modulus about Y-Y	Sy	4000 mm³
Plastic Section Modulus about X-X	Zx	29000 mm³
Plastic Section Modulus about Y-Y	Zy	9000 mm³
St. Venant Torsional Constant	J	30000 mm⁴
Warping Torsion Constant	Cw	0 mm⁶
Self Weight of section	Weight	9 kg/m

Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.

A C3X6 steel section is a standard North American steel section in the C - Channel category. It weighs 6 lb/ft and has a cross sectional area of 1.76 in². The height and width of the section are 3 in and 1.6 in respectively.

The section has a tensile yield capacity of:

kip

The section has a flexural plastic moment capacity of:

kip-ft

The section has a flexural elastic moment capacity of:

kip-ft